Meanings
- uncountablechemistryA strong, caustic alkali (NaOH) used in the manufacture of soap, detergents, paper, textiles and having many other industrial applications.
Synonyms: caustic soda, E524 when used as an acidity regulator, lye, soda lye
Synonyms & antonyms
nounA strong, caustic alkali (NaOH) used in the manufacture of soap, detergents, paper, textiles and having many other industrial applications.
More synonyms by meaning
nouna strongly alkaline caustic used in manufacturing soap and paper and aluminum and various sodium compounds
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Bengali সোডিয়াম হাইড্রোক্সাইড
- সোডিয়াম হাইড্রোক্সাইড (śōḍiẏam haiḍrōkśaiḍ)caustic alkali
Catalan hidròxid de sodi, sosa càustica
- hidròxid de sodicaustic alkali
- sosa càusticacaustic alkali
Chinese Mandarin 氫氧化鈉 /氢氧化钠
- 氫氧化鈉 /氢氧化钠 (qīngyǎnghuà nà)caustic alkali
Czech hydroxid sodný
- hydroxid sodnýcaustic alkali
Finnish natriumhydroksidi, lipeä
- natriumhydroksidicaustic alkali
- lipeäcaustic alkali
French hydroxyde de sodium
- hydroxyde de sodiumcaustic alkali
German Natriumhydroxid
- Natriumhydroxidcaustic alkali
Greek υδροξείδιο νατρίου
- υδροξείδιο νατρίου (ydroxeídio natríou)caustic alkali
Hungarian nátrium-hidroxid, marónátron
- nátrium-hidroxidcaustic alkali
- marónátroncaustic alkali
- nátronlúgcaustic alkali
- lúgkőcaustic alkali
- lúgcaustic alkali
Icelandic natríumhýdroxíð
- natríumhýdroxíðcaustic alkali
Indonesian natrium hidroksida, soda kaustik
- natrium hidroksidacaustic alkali
- soda kaustikcaustic alkali
Irish hiodrocsaíd sóidiam
- hiodrocsaíd sóidiamcaustic alkali
Italian idrossido di sodio
- idrossido di sodiocaustic alkali
Japanese 水酸化ナトリウム
- 水酸化ナトリウム (suisanka natoriumu)caustic alkali
Malay natrium hidroksida, soda kaustik
- natrium hidroksidacaustic alkali
- soda kaustikcaustic alkali
Māori konutai waihā
- konutai waihācaustic alkali
Norwegian Bokmål natriumhydroksid, kaustisk soda
- natriumhydroksidcaustic alkali
- kaustisk sodacaustic alkali
- natronlutcaustic alkali
Persian سدیم هیدروکسید, سود
- سدیم هیدروکسید (sodiyom hidroksid)caustic alkali
- سود (sud)caustic alkali
Polish wodorotlenek sodu
- wodorotlenek soducaustic alkali
Portuguese hidróxido de sódio
- hidróxido de sódiocaustic alkali
Romanian hidroxid de sodiu
- hidroxid de sodiucaustic alkali
Russian гидрокси́д на́трия, е́дкий натр
- гидрокси́д на́трия (gidroksíd nátrija)caustic alkali
- е́дкий натр (jédkij natr)caustic alkali
Spanish hidróxido de sodio, hidróxido sódico
- hidróxido de sodiocaustic alkali
- hidróxido sódicocaustic alkali
Swedish natriumhydroxid
- natriumhydroxidcaustic alkali
Tagalog sodyum haydroksad
- sodyum haydroksadcaustic alkali
Thai โซเดียมไฮดรอกไซด์, โซดาไฟ
- โซเดียมไฮดรอกไซด์caustic alkali
- โซดาไฟ (so-da-fai)caustic alkali
Turkish sodyum hidroksit
- sodyum hidroksitcaustic alkali
Vietnamese natri hiđroxit
- natri hiđroxitcaustic alkali
Cite this entry
sodium hydroxide. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sodium%20hydroxide
“sodium hydroxide.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sodium%20hydroxide. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “sodium hydroxide,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sodium%20hydroxide.
Source: sodium hydroxide on Wiktionary, CC BY-SA 4.0.